Wiseco Acura 4v Domed +8cc STRUTTED 87.0MM Piston Shelf Stock Kit

These Wiseco pistons feature a strutted dome design with a +8cc volume, measuring 87.0mm in diameter. This specific design choice is crucial for building a performance engine, as it helps increase the compression ratio. When you're looking to get more out of your 4-valve Acura engine, whether it's in an RSX, TSX, Accord, CR-V, or the Element, these pistons are a solid foundation for a rebuild or performance upgrade. They are forged from high-strength aluminum, a common practice for pistons intended for higher performance applications where stock cast pistons might not hold up to increased cylinder pressures and temperatures.

The strutted dome design adds internal support to the piston crown, which is particularly important when dealing with boosted applications or higher compression builds. This construction helps prevent the dome from flexing or cracking under extreme stress. Wiseco is well-known for its forged pistons, and this shelf stock kit is designed to fit specific Acura 4-valve engine configurations, aiming for a direct fitment where possible. This means they are engineered to work with the stock connecting rods and crankshaft for a given engine family, simplifying the rebuild process compared to custom-machined components.

When undertaking an engine build with these pistons, it's important to ensure all supporting components are up to the task. This includes proper balancing of rotating assembly components, appropriate camshafts, and a robust engine management system to take full advantage of the increased compression. Always refer to the manufacturer's installation instructions for critical details regarding ring gap, piston-to-wall clearance, and assembly procedures to ensure the longevity and performance of your engine build.